<!DOCTYPE html>
<html lang="zh" xmlns:th="http://www.thymeleaf.org">
<head>
	<title>My first Chartist Tests</title>
	<link rel="stylesheet" th:href="@{/css/chartist/chartist.min.css}">
	<script type="text/javascript" th:src="@{/ajax/libs/chartist/dist/chartist.min.js}"></script>
</head>
<body>
	<!-- Site content goes here !-->
	<div class="ct-chart ct-perfect-fourth"></div>
</body>
<script type="text/javascript">
var chart = new Chartist.Pie('.ct-chart', {
	  series: [10, 20, 50, 20, 5, 50, 15],
	  labels: [1, 2, 3, 4, 5, 6, 7]
	}, {
	  donut: true,
	  showLabel: false
	});

	chart.on('draw', function(data) {
	  if(data.type === 'slice') {
	    // Get the total path length in order to use for dash array animation
	    var pathLength = data.element._node.getTotalLength();

	    // Set a dasharray that matches the path length as prerequisite to animate dashoffset
	    data.element.attr({
	      'stroke-dasharray': pathLength + 'px ' + pathLength + 'px'
	    });

	    // Create animation definition while also assigning an ID to the animation for later sync usage
	    var animationDefinition = {
	      'stroke-dashoffset': {
	        id: 'anim' + data.index,
	        dur: 1000,
	        from: -pathLength + 'px',
	        to:  '0px',
	        easing: Chartist.Svg.Easing.easeOutQuint,
	        // We need to use `fill: 'freeze'` otherwise our animation will fall back to initial (not visible)
	        fill: 'freeze'
	      }
	    };

	    // If this was not the first slice, we need to time the animation so that it uses the end sync event of the previous animation
	    if(data.index !== 0) {
	      animationDefinition['stroke-dashoffset'].begin = 'anim' + (data.index - 1) + '.end';
	    }

	    // We need to set an initial value before the animation starts as we are not in guided mode which would do that for us
	    data.element.attr({
	      'stroke-dashoffset': -pathLength + 'px'
	    });

	    // We can't use guided mode as the animations need to rely on setting begin manually
	    // See http://gionkunz.github.io/chartist-js/api-documentation.html#chartistsvg-function-animate
	    data.element.animate(animationDefinition, false);
	  }
	});

	// For the sake of the example we update the chart every time it's created with a delay of 8 seconds
	chart.on('created', function() {
	  if(window.__anim21278907124) {
	    clearTimeout(window.__anim21278907124);
	    window.__anim21278907124 = null;
	  }
	  window.__anim21278907124 = setTimeout(chart.update.bind(chart), 10000);
	});
</script>
</html>
